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-   -   Is this normal adaptive cruise control operation? (http://www.jeepgarage.org/f107/is-this-normal-adaptive-cruise-control-operation-68672.html)

ucla95 12-01-2013 07:48 PM

Is this normal adaptive cruise control operation?
 
2014 with Adaptive Cruise control:

I've noticed that about half the time when I push the 'Set +' (top) button on the cruise control nothing happens. It's almost like the button isn't physically aligned correctly with the circuit board underneath.

Even worse though - and what I'm really asking about - sometimes when I want to raise the set speed quickly (say from 40 to 60mph) and I hold the button down longer for the 5mph increments - the computer seems like it cannot handle more than one or two 5mph bumps and then shuts cruise control down and puts an error message on the screen. Dropping the speed quickly doesn't seem to create the same behavior.

Anyone else having problems with quickly getting the speed higher?

I also see this problem if I'm following someone and try to turn on the adaptive cruise and then set it to a higher speed (so if that person moves I'll be able to go faster) - a lot of times I'll get an error message and the cruise control just shuts down.

Thanks in advance!

overlandguy 12-01-2013 10:44 PM

Re: Is this normal adaptive cruise control operation?
 
I am experiencing the exact same thing. Was planning on taking it to the dealer this week or next week to see if they can diagnose it.

ucla95 12-02-2013 06:46 AM

Re: Is this normal adaptive cruise control operation?
 
Quote:

Originally Posted by overlandguy (Post 938849)
I am experiencing the exact same thing. Was planning on taking it to the dealer this week or next week to see if they can diagnose it.

Sounds like you'll be first to the dealer on this; please let us know how it goes. I wonder if they have a bad batch of ACC modules... My build date was early November if that helps.

f1anatic 12-02-2013 06:57 AM

Re: Is this normal adaptive cruise control operation?
 
My prayers are being answered: problems for those of us with 2014s that came with ACC with STOP...and soon those early 2014s with ACC without STOP will become more desirable.

No, that is definitely NOT normal behavior. I can do 1 mph increments by tapping + or if I hold it 2 seconds, it increases speed in 5 mph increments. The most I have "added" was 25 mph in one extended, continuous press of the + button. I have never had a problem with ACC stopping on its own or giving error messages.

ucla95 12-02-2013 07:13 AM

Re: Is this normal adaptive cruise control operation?
 
Quote:

Originally Posted by f1anatic (Post 938969)
No, that is definitely NOT normal behavior. I can do 1 mph increments by tapping + or if I hold it 2 seconds, it increases speed in 5 mph increments. The most I have "added" was 25 mph in one extended, continuous press of the + button. I have never had a problem with ACC stopping on its own or giving error messages.

Thank you.

overlandguy 12-06-2013 03:22 PM

Re: Is this normal adaptive cruise control operation?
 
Picked up the GC from on Wednesday. Waited a couple of days to post so I could test. He said that the new ACC w/stop will most throw that error if it is engaged to close to the vehicle in front or if you try to increase the speed too rapidly via the + button if there is a vehicle too close in front. I tested that theory and it seemed to hold value. When I engaged the ACC while being close to another car or increased speed rapidly while being close it threw the error. It also kept throwing the error if I tried increase in 5pmh increments regardless of whether another car was in front of me or not until I stopped and restarted the Jeep.

HOWEVER, I engaged the ACC today with no car in front and it engaged fine. Then I tried increasing the speed in 5mph increments with no car in front and it threw that darn error message again. Didn't do it again after that though. I'm going to take it back again so they can have another look while they fix my auto highbeams which just stopped working for no rhyme or reason even though the feature is enabled in uconnect, the light switch is on auto and the blinker stalk is pushed back. The highbeams just stay on unless I manually turn them off.

ucla95 12-06-2013 04:24 PM

Re: Is this normal adaptive cruise control operation?
 
When is your build date?

overlandguy 12-06-2013 04:32 PM

Re: Is this normal adaptive cruise control operation?
 
9/27

lstowell 12-06-2013 05:17 PM

Re: Is this normal adaptive cruise control operation?
 
Quote:

Originally Posted by f1anatic (Post 938969)
My prayers are being answered: problems for those of us with 2014s that came with ACC with STOP...and soon those early 2014s with ACC without STOP will become more desirable.

No, that is definitely NOT normal behavior. I can do 1 mph increments by tapping + or if I hold it 2 seconds, it increases speed in 5 mph increments. The most I have "added" was 25 mph in one extended, continuous press of the + button. I have never had a problem with ACC stopping on its own or giving error messages.

? Are you implying the presence of the stop feature is borking this up?

I don't have stop, and mine works just fine, I can raise or drop my target speed whilst in ACC as desired.

What I wish I could do is increase the follow speed--even the max is a tad short for some traffic conditions...

f1anatic 12-07-2013 07:09 AM

Re: Is this normal adaptive cruise control operation?
 
Quote:

Originally Posted by lstowell (Post 941483)
? Are you implying the presence of the stop feature is borking this up?

How did you get this impression ?:slapfight:

ucla95 12-21-2013 11:03 AM

Re: Is this normal adaptive cruise control operation?
 
Anyone have an update on this?

f1anatic 12-21-2013 12:41 PM

Re: Is this normal adaptive cruise control operation?
 
I thought you have to provide the update.


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